Bevölkerungsentwicklung – Aerzen, Flecken
Jährliche Komponenten
| Jahr | Bevölkerung | Geburten | Sterbefälle | Natürlicher Saldo | Wanderungssaldo |
|---|---|---|---|---|---|
| 2025 | 10.387 | – | 142 | – | – |
| 2024 | 10.424 | 82 | 129 | -47 | -29 |
| 2023 | 10.500 | 78 | 137 | -59 | 31 |
| 2022 | 10.529 | 95 | 163 | -68 | 161 |
| 2021 | 10.472 | 98 | 131 | -33 | -52 |
| 2020 | 10.557 | 97 | 126 | -29 | 63 |
| 2019 | 10.524 | 94 | 157 | -63 | 81 |
| 2018 | 10.510 | 99 | 133 | -34 | -14 |
| 2017 | 10.556 | 106 | 109 | -3 | -59 |
| 2016 | 10.617 | 78 | 128 | -50 | -22 |
| 2015 | 10.693 | 84 | 136 | -52 | 80 |
| 2014 | 10.665 | 72 | 136 | -64 | 111 |
| 2013 | 10.617 | 60 | 130 | -70 | -70 |
| 2012 | 10.755 | 71 | 137 | -66 | -52 |
| 2011 | 10.874 | 73 | 147 | -74 | -94 |
| 2010 | 11.239 | 62 | 133 | -71 | -37 |
| 2009 | 11.347 | 102 | 159 | -57 | -32 |
| 2008 | 11.436 | 74 | 130 | -56 | -29 |